Life of calciner -burner ‘s head in cement kiln，the using life of calciner-burner’s head in cement kiln is over 2 years, in the meantime, the whole burner and head parts are disassembled and installed conveniently for maintenance and replacement, the equipment can effectively improve the pulverized coal burnout rate and material decomposition efficiency, and stabilize the thermal technology in the decomposition furnace.

From 1 JUN 2020 until now, the Prices have fallen by varying degrees about 20-50 yuan/ton in various provinces and cities. On 8 JUN, P.O 42.5 bulk cement price of some cement enterprises in Taiyuan, Shanxi, fell by 20 yuan/ton, At present, the price of P.O42.5 bulk cement market in Taiyuan area is 310 yuan/ton, high inventory, fierce market competition;on 8 JUN, Shantou cement price is going down slightly,at present, the mainstream brand of bulk cement P.O42.5, price is 440 yuan/ton in this region; on 8 JUN, Zhejiang Hangzhou area high standard cement price is adjust slightly, at present, the 42.5 Bulk cement for project, delivery quotation is 560-580 yuan/ton.